| How Stuff Works | | Articles explain how hundreds of things work, from elements of the human body to space-age technology. |
| How Stuff Works Express | | Offers fun and informative articles about research and extraordinary people. Also includes information on hot sites, cool books, internet projects, and experiments. Includes teacher support materials. |
| Kids and Science | | E-community for discovering science in main themes around us. Includes projects and facts, as well as games and fun. |
| Kinetic City | | A science radio show for kids, updated weekly. Keep up with the latest adventures of the Kinetic City Super Crew and do your own science experiments at home. |
| Magi Early Eastern Philosophers (And a Great Poet) | | Introduction to contributions by Al-Khwarismi, Al-Kindi, and Omar Khayyam in the fields of mathematics, astronomy, medicine, and optics. Period of time discussed is from around 680 AD to 1120 AD in the present day Middle East. |
| Natural History Museum | | Fun and games section that provides interactive scientific discovery experiments, such as building a volcano and taking a quiz about dinosaurs. |
| Oakland Museum of California | | Museum specializes in the natural science, history and art of the Golden State. Contains current exhibitions, permanent galleries and projects. |
| OLogy | | Learn a lot about astronomy, paleontology, and the definitions of other "ologies" on this site by taking journeys through space and the Gobi Desert. Includes games and activities and is presented by the American Museum of Natural History. |
| Paper Online | | Educational resource includes history of paper, discusses what paper is and has instructions to make your own paper. |
| Patent Caf - Discovery Caf | | Directory of kid-safe invention, science, discovery and innovation resources for K-12 kids, teachers and parents. |
| Pfizer FunZone | | Explore activities and articles about scientists while learning about many science topics. |
| Playing With Time | | Activities and movies that explore how things change over time. Also includes an overview of the museum exhibit at the Science Museum of Minnesota. | |
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